20736024071 has 16 divisors (see below), whose sum is σ = 24348521280. Its totient is φ = 17286462720.

The previous prime is 20736024059. The next prime is 20736024083. The reversal of 20736024071 is 17042063702.

It is an interprime number because it is at equal distance from previous prime (20736024059) and next prime (20736024083).

It is a cyclic number.

It is not a de Polignac number, because 20736024071 - 2³⁴ = 3556154887 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20736024971) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 695315 + ... + 724523.

It is an arithmetic number, because the mean of its divisors is an integer number (1521782580).

Almost surely, 2^20736024071 is an apocalyptic number.

20736024071 is a deficient number, since it is larger than the sum of its proper divisors (3612497209).

20736024071 is a wasteful number, since it uses less digits than its factorization.

20736024071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31994.

The product of its (nonzero) digits is 14112, while the sum is 32.

Adding to 20736024071 its reverse (17042063702), we get a palindrome (37778087773).

The spelling of 20736024071 in words is "twenty billion, seven hundred thirty-six million, twenty-four thousand, seventy-one".